Family name 吉尼 (Gini 
, Genee 
, Guinee 
) , throughout the world, is a common cognomen. The cognomen 吉尼 is characteristic of Paraguay, where it is quite a common surname, Guinea, and Papua New Guinea, where it is quite a rare surname. In absolute terms, it most frequently occurs in Italy, Paraguay, and Guinea. Likewise, 吉尼 is the forename as well as the last name.